
      /* 配色方案:
    背景: rgb(224, 207, 254), rgb(255, 239, 255)
    按钮: rgb(181, 154, 254),rgb(245, 189, 253) */
* {
    margin: 0;
    padding: 0;
  }

  body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(
        45deg,
        rgb(181, 154, 254),
        rgb(245, 189, 253)
      )
      fixed;
  }

  .container {
    position: relative;
    width: 70rem;
  }

  .container img {
    width: 70rem;
  }

  .switch span {
    color: #ccc;
    font-size: 1.4rem;
    cursor: pointer;
  }

  .switch span.active {
    color: rgb(181, 154, 254);
  }

  .panel {
    width: 30%;
    margin: 10rem 0 0;
    position: absolute;
    right: 0;
    top: 0;

    display: flex;
    justify-content: center;
  }

  form {
    width: 12rem;
    margin: 3rem 0 0;
  }

  form .input {
    position: relative;
    opacity: 1;
    height: 2rem;
    width: 100%;
    margin: 2rem 0;
    transition: 0.4s;
  }

  .input input {
    outline: none;
    width: 100%;
    border: none;
    border-bottom: 0.1rem solid rgb(181, 154, 254);
  }

  .input::after {
    content: attr(placeholder);
    position: absolute;
    left: 0;
    top: -10%;
    font-size: 1.2rem;
    color: rgb(129, 101, 207);
    transition: 0.3s;
  }

  .input.focus::after {
    top: -50%;
    font-size: 0.9rem;
  }

  .login .input#email,
  .login .input#repeat {
    margin: 0;
    height: 0;
    opacity: 0;
  }

  form span {
    display: block;
    color: rgb(110, 89, 167);
    font-size: 0.8rem;
    cursor: pointer;
  }

  form button {
    border: none;
    outline: none;
    margin: 2.5rem 0 0;
    width: 100%;
    height: 3rem;
    border-radius: 3rem;
    background: linear-gradient(
      90deg,
      rgb(181, 154, 254),
      rgb(245, 189, 253)
    );
    box-shadow: 0 0 8px rgb(181, 154, 254);
    cursor: pointer;
    color: white;
  }